Remove isValidModule() for external modules
Remove isValidModule() for external modules

Удалён isValidModule() для большей гибкости внешних модулей

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This was enforcing strict external modules naming conventions which is not necessarily a good thing.
If some existing extensions want to work with PoziTone, we can't make them follow our naming rules.

PoziWorld/PoziTone,PoziWorld/PoziTone